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Bhupesh Sharma 00da17176d kexec: fix for "Unhandled rela relocation: R_X86_64_PLT32" error 
Resolves: bz1619122
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1619122

This patch fixes the "Unhandled rela relocation: R_X86_64_PLT32" error
that we are seeing with Fedora 29 (and newer kernels > 4.18) which
trying to run kexec/kdump on x86_64 machines.

The patch is being discussed upstream and has been ACK'ed by Baoquan and
myself (see <https://www.spinics.net/lists/kexec/msg21255.html>) and I
have also tested the same on Fedora 29/rawhide x86_64 machine as well:

Before the patch:
----------------
[root@hp-bl480c-01 ~]# kdumpctl restart
  kexec: unloaded kdump kernel
  Stopping kdump: [OK]
  Unhandled rela relocation: R_X86_64_PLT32
  kexec: failed to load kdump kernel
  Starting kdump: [FAILED]

After the patch:
---------------
[root@hp-bl480c-01 ~]# kdumpctl restart
  kexec: unloaded kdump kernel
  Stopping kdump: [OK]
  kexec: loaded kdump kernel
  Starting kdump: [OK]

Suggested Upstream Fix:

    In response to a change in binutils, commit b21ebf2fb4c
    (x86: Treat R_X86_64_PLT32 as R_X86_64_PC32) was applied to
    the linux kernel during the 4.16 development cycle and has
    since been backported to earlier stable kernel series. The
    change results in the failure message in $SUBJECT when
    rebooting via kexec.

    Fix this by replicating the change in kexec.

    Signed-off-by: Chris Clayton <chris2553@googlemail.com>

Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com>
Acked-by: Kairui Song <kasong@redhat.com>
2018-08-22 15:48:43 +08:00
.gitignore .gitignore: Update to make it more generic 2016-05-16 10:15:01 +08:00
98-kexec.rules Revert "Improve 'cpu add' udev rules" 2017-08-17 16:42:11 +08:00
dracut-early-kdump-module-setup.sh Add early kdump support in initramfs. 2018-05-29 10:19:19 +08:00
dracut-early-kdump.sh Add early kdump support in initramfs. 2018-05-29 10:19:19 +08:00
dracut-kdump-capture.service Introduce kdump capture service 2014-08-05 13:13:32 +08:00
dracut-kdump-emergency.service kdump-emergency: fix "Transaction is destructive" emergency failure 2017-03-31 11:54:30 +08:00
dracut-kdump-emergency.target kdump-emergency: fix "Transaction is destructive" emergency failure 2017-03-31 11:54:30 +08:00
dracut-kdump-error-handler.service Introduce kdump error handling service 2014-08-05 13:13:32 +08:00
dracut-kdump-error-handler.sh Revert "execute kdump_post after do_default_action" 2015-04-08 15:50:16 +08:00
dracut-kdump.sh dracut-kdump: use POSIX shell syntax 2016-11-28 10:41:15 +08:00
dracut-module-setup.sh dracut-module-setup: Fix DRM module inclusion test for hyper-v 2018-08-07 17:22:05 +08:00
dracut-monitor_dd_progress monitor-dd-progress fix 2013-06-25 16:45:59 +08:00
early-kdump-howto.txt Add early kdump support in initramfs. 2018-05-29 10:19:19 +08:00
fadump-howto.txt Document: fix incorrect link in fadump-how.txt 2017-03-08 13:07:20 +08:00
kdump-dep-generator.sh kdump-dep-generator: Add kdump service dependencies on the fly 2014-04-17 11:27:31 +08:00
kdump-in-cluster-environment.txt Add fence_kdump support for generic clusters 2014-04-03 14:43:06 +08:00
kdump-lib-initramfs.sh kdump-lib-initramfs.sh: ignore the failure of echo 2017-04-27 13:59:49 +08:00
kdump-lib.sh move some common functions from kdumpctl to kdump-lib.sh 2018-05-29 10:18:40 +08:00
kdump.conf kdumpctl: for fence_kdump, the ipaddr of this node should be excluded from list 2017-05-18 16:44:42 +08:00
kdump.conf.5 kdump.conf.5: clarify the fence_kdump_nodes option 2017-06-09 09:47:22 +08:00
kdump.service make kdump work when kernel crash after shutdown 2015-06-03 21:10:34 +08:00
kdump.sysconfig Remove kernel param "quiet" from kdump kernel cmdline 2015-12-11 15:18:31 +08:00
kdump.sysconfig.i386 Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdump.sysconfig.ppc64 Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdump.sysconfig.ppc64le Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdump.sysconfig.s390x Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdump.sysconfig.x86_64 Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdumpctl kdumpctl: Error out if path is set more than once. 2018-08-22 15:23:32 +08:00
kdumpctl.8 kdumpctl: add showmem cmd 2018-05-21 14:06:30 +08:00
kexec-kdump-howto.txt kexec-kdump-howto: Add doc about the special mount information via "dracut_args" 2016-08-26 14:03:48 +08:00
kexec-tools-2.0.16-koji-build-fail-workaround.patch Workaround a koji build failure 2017-12-08 11:42:30 +08:00
kexec-tools-2.0.17-kexec-fix-for-Unhandled-rela-relocation-R_X86_64_PLT.patch kexec: fix for "Unhandled rela relocation: R_X86_64_PLT32" error 2018-08-22 15:48:43 +08:00
kexec-tools.spec kexec: fix for "Unhandled rela relocation: R_X86_64_PLT32" error 2018-08-22 15:48:43 +08:00
live-image-kdump-howto.txt Revert "kdumpctl: filter 'root' kernel parameter when running in live images" 2017-04-11 16:03:12 +08:00
mkdumprd Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
mkdumprd.8 Remove comma which is redundant 2013-02-16 15:19:41 +08:00
README README: Add a README file 2014-04-02 10:45:36 +08:00
sources Remove kdump-anaconda subpackage 2018-08-07 17:22:01 +08:00
zanata-notes.txt Add a notes for zanata process 2012-12-05 01:23:09 -05:00

README 

Adding a patch to kexec-tools
=============================
There is a mailing list kexec@lists.fedoraproject.org where all the dicussion
related to fedora kexec-tools happen. All the patches are posted there for
inclusion and committed to kexec-tools after review.

So if you want your patches to be included in fedora kexec-tools package,
post these to kexec@lists.fedoraproject.org.

One can subscribe to list and browse through archives here.

https://admin.fedoraproject.org/mailman/listinfo/kexec